Product Name: Optical Brightener BBU
C.I. No: 220
Molecular Formula: C40H40N12O16S4Na2
Molecular Weight: 1165.12
CAS No.: 16470-24-9
Max UV Absorption Wave: 350nm
Chemical Structure:
Descriptions:
It is light yellow powder. It has anionic character and optical blue color.
It has good water solubility, in cooling water at 150g/L, in boiling water at 300g/L.
It has good resistance to hard water, bleaching agent and acid etc.
Specifications:
Appearance | White powder |
UV absorption (E-Value) | 416 |
Moisture, % | 5.0 max |
Insolubility in water, % | 0.5 max |
Residue on 250um sieve, % | 10.0 max |
Applications:
Widely used in cotton fiber, and paper pulp.
Recommended use:
Bath temperature is about 95-98℃, holding time is about 10-20 minutes, bath ratio is 1:20, vapour steaming about 45 minutes, the dosage is 0.1-0.5%.
Packing: 25kg cardboard drum
Transportation & Storage: Store in cool, dry and ventilated place, Should avoid direct sunlight.
Validity: 2 years.
